Kernel panic - not syncing: kmsan.panic set ...
CPU: 0 UID: 0 PID: 19880 Comm: syz.8.4926 Tainted: G    B   W           syzkaller #0 PREEMPT(none) 
Tainted: [B]=BAD_PAGE, [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
Call Trace:
 <IRQ>
 __dump_stack+0x26/0x30 lib/dump_stack.c:94
 dump_stack_lvl+0x53/0x270 lib/dump_stack.c:120
 dump_stack+0x1e/0x25 lib/dump_stack.c:129
 vpanic+0x435/0xd30 kernel/panic.c:489
 panic+0x15d/0x160 kernel/panic.c:626
 kmsan_report+0x31c/0x320 mm/kmsan/report.c:218
 __msan_warning+0x1b/0x30 mm/kmsan/instrumentation.c:315
 can_receive+0x12c/0x4a0 net/can/af_can.c:656
 can_rcv+0x1ff/0x3b0 net/can/af_can.c:690
 __netif_receive_skb_one_core net/core/dev.c:6079 [inline]
 __netif_receive_skb+0x477/0xac0 net/core/dev.c:6192
 process_backlog+0x485/0xa00 net/core/dev.c:6544
 __napi_poll+0xdd/0x8a0 net/core/dev.c:7594
 napi_poll net/core/dev.c:7657 [inline]
 net_rx_action+0xbc8/0x1c30 net/core/dev.c:7784
 handle_softirqs+0x169/0x6e0 kernel/softirq.c:622
 __do_softirq kernel/softirq.c:656 [inline]
 invoke_softirq kernel/softirq.c:496 [inline]
 __irq_exit_rcu+0x66/0x180 kernel/softirq.c:723
 irq_exit_rcu+0x12/0x20 kernel/softirq.c:739
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1052 [inline]
 sysvec_apic_timer_interrupt+0x84/0x90 arch/x86/kernel/apic/apic.c:1052
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1f/0x30 arch/x86/include/asm/idtentry.h:697
RIP: 0010:__preempt_count_dec_and_test arch/x86/include/asm/preempt.h:95 [inline]
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x33/0x60 kernel/locking/spinlock.c:194
Code: 56 53 48 89 f3 49 89 fe e8 1a 89 20 f2 4c 89 f7 e8 22 7c 20 f2 c6 00 00 41 c6 06 00 f7 c3 00 02 00 00 74 01 fb be 04 00 00 00 <48> c7 c7 28 a0 c9 94 e8 31 7e 20 f2 65 ff 0d 52 34 4d 04 74 0a 5b
RSP: 0018:ffff88813ed4f818 EFLAGS: 00000206
RAX: ffff88823fd11440 RBX: 0000000000000292 RCX: 0000000000b3edef
RDX: ffff88823fc63440 RSI: 0000000000000004 RDI: ffff88813fc91440
RBP: ffff88813ed4f828 R08: ffffea000000000f R09: 0000000000000000
R10: ffff8880298aa0c0 R11: ffffffff818a9d50 R12: 0000000000000000
R13: ffff888127ae2ca0 R14: ffff88813fc91440 R15: 0000000000000010
 unlock_hrtimer_base kernel/time/hrtimer.c:1013 [inline]
 hrtimer_start_range_ns+0x16e3/0x1910 kernel/time/hrtimer.c:1325
 hrtimer_start include/linux/hrtimer.h:259 [inline]
 j1939_tp_schedule_txtimer+0xc7/0x110 net/can/j1939/transport.c:703
 j1939_sk_send_loop net/can/j1939/socket.c:1169 [inline]
 j1939_sk_sendmsg+0x1bb4/0x2760 net/can/j1939/socket.c:1282
 sock_sendmsg_nosec net/socket.c:727 [inline]
 __sock_sendmsg+0x333/0x3d0 net/socket.c:742
 ____sys_sendmsg+0x7e0/0xd80 net/socket.c:2630
 ___sys_sendmsg+0x271/0x3b0 net/socket.c:2684
 __sys_sendmsg+0x1aa/0x300 net/socket.c:2716
 __compat_sys_sendmsg net/compat.c:346 [inline]
 __do_compat_sys_sendmsg net/compat.c:353 [inline]
 __se_compat_sys_sendmsg net/compat.c:350 [inline]
 __ia32_compat_sys_sendmsg+0xa4/0x100 net/compat.c:350
 ia32_sys_call+0x3f6c/0x4310 arch/x86/include/generated/asm/syscalls_32.h:371
 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
 __do_fast_syscall_32+0xb0/0x150 arch/x86/entry/syscall_32.c:306
 do_fast_syscall_32+0x38/0x80 arch/x86/entry/syscall_32.c:331
 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/syscall_32.c:369
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf700d539
Code: 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 002b:00000000f53fd55c EFLAGS: 00000206 ORIG_RAX: 0000000000000172
RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 0000000080000180
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
Kernel Offset: disabled
Rebooting in 86400 seconds..
----------------
Code disassembly (best guess):
   0:	56                   	push   %rsi
   1:	53                   	push   %rbx
   2:	48 89 f3             	mov    %rsi,%rbx
   5:	49 89 fe             	mov    %rdi,%r14
   8:	e8 1a 89 20 f2       	call   0xf2208927
   d:	4c 89 f7             	mov    %r14,%rdi
  10:	e8 22 7c 20 f2       	call   0xf2207c37
  15:	c6 00 00             	movb   $0x0,(%rax)
  18:	41 c6 06 00          	movb   $0x0,(%r14)
  1c:	f7 c3 00 02 00 00    	test   $0x200,%ebx
  22:	74 01                	je     0x25
  24:	fb                   	sti
  25:	be 04 00 00 00       	mov    $0x4,%esi
* 2a:	48 c7 c7 28 a0 c9 94 	mov    $0xffffffff94c9a028,%rdi <-- trapping instruction
  31:	e8 31 7e 20 f2       	call   0xf2207e67
  36:	65 ff 0d 52 34 4d 04 	decl   %gs:0x44d3452(%rip)        # 0x44d348f
  3d:	74 0a                	je     0x49
  3f:	5b                   	pop    %rbx